package com.atguigu.gulimall.product.service.impl;

import com.alibaba.fastjson.TypeReference;
import com.atguigu.common.constant.ProductConstant;
import com.atguigu.common.to.SkuHasStockVo;
import com.atguigu.common.to.SkuReductionTo;
import com.atguigu.common.to.SpuBoundTo;
import com.atguigu.common.to.es.SkuEsModel;
import com.atguigu.common.utils.R;
import com.atguigu.gulimall.product.dao.SpuInfoDescDao;
import com.atguigu.gulimall.product.entity.*;
import com.atguigu.gulimall.product.feign.CouponFeignService;
import com.atguigu.gulimall.product.feign.SearchFeignService;
import com.atguigu.gulimall.product.feign.WareFeignService;
import com.atguigu.gulimall.product.service.*;
import com.atguigu.gulimall.product.vo.*;
import com.fasterxml.jackson.databind.annotation.JsonAppend;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.*;
import java.util.stream.Collectors;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.atguigu.common.utils.PageUtils;
import com.atguigu.common.utils.Query;

import com.atguigu.gulimall.product.dao.SpuInfoDao;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;


@Service("spuInfoService")
public class SpuInfoServiceImpl extends ServiceImpl<SpuInfoDao, SpuInfoEntity> implements SpuInfoService {

    @Autowired
    SpuInfoDescService spuInfoDescService;

    @Autowired
    SpuImagesService spuImagesService;

    @Autowired
    AttrService attrService;

    @Autowired
    ProductAttrValueService attrValueService;

    @Autowired
    SkuInfoService skuInfoService;

    @Autowired
    SkuImagesService skuImagesService;

    @Autowired
    SkuSaleAttrValueService skuSaleAttrValueService;

    @Autowired
    CouponFeignService couponFeignService;

    @Autowired
    BrandService brandService;

    @Autowired
    CategoryService categoryService;

    @Autowired
    WareFeignService wareFeignService;

    @Autowired
    SearchFeignService searchFeignService;
    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<SpuInfoEntity> page = this.page(
                new Query<SpuInfoEntity>().getPage(params),
                new QueryWrapper<SpuInfoEntity>()
        );

        return new PageUtils(page);
    }

//    @Transactional
//    @Override
//    public void saveSpuInfo(SpuSaveVo vo) {
//
//        // 1. 保存spu基本信息
//        SpuInfoEntity infoEntity = new SpuInfoEntity();
//        BeanUtils.copyProperties(vo, infoEntity);
//        infoEntity.setCreateTime(new Date());
//        infoEntity.setUpdateTime(new Date());
//        this.saveBaseSpuInfo(infoEntity);
//        // 2. 保存spu的描述图片
//        List<String> decript = vo.getDecript();
//        SpuInfoDescEntity descEntity = new SpuInfoDescEntity();
//        descEntity.setSpuId(infoEntity.getId());
//        descEntity.setDecript(String.join(",", decript));
//        spuInfoDescService.saveSpuInfoDesc(descEntity);
//        // 3. 保存spu的图片集
//        List<String> images = vo.getImages();
//        spuImagesService.saveImages(infoEntity.getId(),images);
//
//        // 4. 保存spu的规格参数 pms_product_attr_value
//        List<BaseAttrs> baseAttrs = vo.getBaseAttrs();
//        List<ProductAttrValueEntity> collect = baseAttrs.stream().map(attr -> {
//            ProductAttrValueEntity valueEntity = new ProductAttrValueEntity();
//            valueEntity.setAttrId(attr.getAttrId());
//            AttrEntity id = attrService.getById(attr.getAttrId());
//            valueEntity.setAttrName(id.getAttrName());
//            valueEntity.setAttrValue(attr.getAttrValues());
//            valueEntity.setQuickShow(attr.getShowDesc());
//            valueEntity.setSpuId(infoEntity.getId());
//            return valueEntity;
//        }).collect(Collectors.toList());
//        attrValueService.saveProductAttr(collect);
//        // 5. 保存spu的积分信息：sms_spu_bounds
//        Bounds bounds = vo.getBounds();
//        SpuBoundTo spuBoundTo = new SpuBoundTo();
//        BeanUtils.copyProperties(bounds, spuBoundTo);
//        spuBoundTo.setSpuId(infoEntity.getId());
//        // 5. 保存当前spu对应的所有sku信息
//
//        List<Skus> skus = vo.getSkus();
//        if (skus != null && skus.size() > 0) {
//            skus.forEach(item -> {
//                String defaultImg = "";
//                    for (Images image : item.getImages()) {
//                        if (image.getDefaultImg() == 1) {
//                            defaultImg = image.getImgUrl();
//                        }
//            }
//
//                SkuInfoEntity skuInfoEntity = new SkuInfoEntity();
//                BeanUtils.copyProperties(item, skuInfoEntity);
//                skuInfoEntity.setBrandId(infoEntity.getBrandId());
//                skuInfoEntity.setCatalogId(infoEntity.getCatalogId());
//                skuInfoEntity.setSaleCount(0L);
//                skuInfoEntity.setSpuId(infoEntity.getId());
//                skuInfoEntity.setSkuDefaultImg(defaultImg);
//                // 5.1）、sku的基本信息：pms_sku_info
//                skuInfoService.saveSkuInfo(skuInfoEntity);
//
//                Long skuId = skuInfoEntity.getSkuId();
//
//                List<SkuImagesEntity> imagesEntities = item.getImages().stream().map(img -> {
//                    SkuImagesEntity skuImagesEntity = new SkuImagesEntity();
//                    skuImagesEntity.setSkuId(skuId);
//                    skuImagesEntity.setImgUrl(img.getImgUrl());
//                    skuImagesEntity.setDefaultImg(img.getDefaultImg());
//                    return skuImagesEntity;
//                }).filter(entity -> {
//                    // filter 返回true就是需要  返回false就是剔除
//                    return !StringUtils.isEmpty(entity.getImgUrl());
//                }).collect(Collectors.toList());
//                // 5.2) 、sku的图片信息: pms_sku_images
//
//                skuImagesService.saveBatch(imagesEntities);
//                // TODO 没有图片： 路径无需保存
//                List<Attr> attr = item.getAttr();
//                List<SkuSaleAttrValueEntity> skuSaleAttrValueEntities = attr.stream().map(a -> {
//                    SkuSaleAttrValueEntity attrValueEntity = new SkuSaleAttrValueEntity();
//                    BeanUtils.copyProperties(a, attrValueEntity);
//                    attrValueEntity.setSkuId(skuId);
//                    return attrValueEntity;
//                }).collect(Collectors.toList());
//                // 5.3) 、sku的销售属性信息：pms_sku_sale_attr_value
//                skuSaleAttrValueService.saveBatch(skuSaleAttrValueEntities);
//                // 5.4) 、sku的优惠、满减等信息
//                SkuReductionTo skuReductionTo = new SkuReductionTo();
//                BeanUtils.copyProperties(item, skuReductionTo);
//                skuReductionTo.setSkuId(skuId);
//                if (skuReductionTo.getFullCount() > 0 || skuReductionTo.getFullPrice().compareTo(new BigDecimal("0")) == 1) {
//                    couponFeignService.saveSkuReduction(skuReductionTo);
//
//                }
//
//
//            });
//
//            }
//
//    }
@Override
@Transactional
public void saveSpuInfo(SpuSaveVo spuSaveVo) {
    //1. 保存spu基本信息；pms_spu_info
    SpuInfoEntity spuInfoEntity = new SpuInfoEntity();
    BeanUtils.copyProperties(spuSaveVo,spuInfoEntity);
    spuInfoEntity.setCreateTime(new Date());
    spuInfoEntity.setUpdateTime(new Date());

    this.saveBaseSpuInfo(spuInfoEntity);
    //2. 保存SPU的描述图片；pms_spu_info_desc
    List<String> decript = spuSaveVo.getDecript();

    SpuInfoDescEntity descEntity = new SpuInfoDescEntity();
    descEntity.setSpuId(spuInfoEntity.getId());
    descEntity.setDecript(String.join(",",decript));

    spuInfoDescService.saveSpuInfoDesc(descEntity);


    //3. 保存SPU的图片集；pms_spu_images
    List<String> spuSaveVoImages = spuSaveVo.getImages();

    spuImagesService.saveImages(spuInfoEntity.getId(),spuSaveVoImages);

    //4. 保存SPU的规格参数，pms_product_attr_value
    List<BaseAttrs> baseAttrs = spuSaveVo.getBaseAttrs();
    List<ProductAttrValueEntity> productAttrValueEntities = baseAttrs.stream().map(item -> {
        ProductAttrValueEntity attrValueEntity = new ProductAttrValueEntity();
        attrValueEntity.setSpuId(spuInfoEntity.getId());
        attrValueEntity.setAttrId(item.getAttrId());
        attrValueEntity.setAttrName(attrService.getById(item.getAttrId()).getAttrName());
        attrValueEntity.setAttrValue(item.getAttrValues());
        attrValueEntity.setQuickShow(item.getShowDesc());

        return attrValueEntity;
    }).collect(Collectors.toList());

    attrValueService.saveProductAttr(productAttrValueEntities);


    //5.0 保存SPU的积分信息；sms_spu_bounds
    Bounds bounds = spuSaveVo.getBounds();
    SpuBoundTo spuBoundTo = new SpuBoundTo();
    BeanUtils.copyProperties(bounds,spuBoundTo);
    spuBoundTo.setSpuId(spuInfoEntity.getId());

    R r = couponFeignService.saveSpuBounds(spuBoundTo);
    if(r.getCode() != 0){
        log.error("保存远程SPU积分信息失败");
    }

    //5. 保存SPU对应的所有SKU信息
    List<Skus> skus = spuSaveVo.getSkus();
    System.out.println("skus" + skus);
    if(skus != null && skus.size() > 0){


        skus.forEach(item -> {
            //在每个SKU中众多images中，只有一个是默认图片，当为默认图片时，default_img=1
            String defaultImg = "";
            for (Images image : item.getImages()) {
                if(image.getDefaultImg() == 1){
                    defaultImg = image.getImgUrl();
                }
            }

            //5.1 SKU的基本信息；pms_sku_info
            SkuInfoEntity skuInfoEntity = new SkuInfoEntity();
            BeanUtils.copyProperties(item,skuInfoEntity);
            skuInfoEntity.setSpuId(spuInfoEntity.getId());
            //skuInfoEntity.setSkuDesc();
            skuInfoEntity.setCatalogId(spuInfoEntity.getCatalogId());
            skuInfoEntity.setBrandId(spuInfoEntity.getBrandId());
            skuInfoEntity.setSkuDefaultImg(defaultImg);
            skuInfoEntity.setSaleCount(0L);

            skuInfoService.saveSkuInfo(skuInfoEntity);

            //5.2 SKU的图片信息；pms_spu_images
            List<Images> images = item.getImages();
            List<SkuImagesEntity> skuImagesEntities = images.stream().map(img -> {
                SkuImagesEntity skuImagesEntity = new SkuImagesEntity();
                BeanUtils.copyProperties(img, skuImagesEntity);
                skuImagesEntity.setSkuId(skuInfoEntity.getSkuId());

                return skuImagesEntity;
            }).filter(entity -> {
                return !StringUtils.isEmpty(entity.getImgUrl());
            }).collect(Collectors.toList());

            skuImagesService.saveBatch(skuImagesEntities);


            //5.3 SKU的销售属性信息：pms_sku_sale_attr_value
            List<Attr> attrs = item.getAttr();
            List<SkuSaleAttrValueEntity> skuSaleAttrValueEntities = attrs.stream().map(attr -> {
                SkuSaleAttrValueEntity skuSaleAttrValueEntity = new SkuSaleAttrValueEntity();
                BeanUtils.copyProperties(attr, skuSaleAttrValueEntity);
                skuSaleAttrValueEntity.setSkuId(skuInfoEntity.getSkuId());
                return skuSaleAttrValueEntity;
            }).collect(Collectors.toList());

            skuSaleAttrValueService.saveBatch(skuSaleAttrValueEntities);

            //5.4 SKU的优惠，满减等信息；sms_sku_ladder；sms_sku_full_reduction；sms_member_price
            SkuReductionTo skuReductionTo = new SkuReductionTo();
            BeanUtils.copyProperties(item,skuReductionTo);
            skuReductionTo.setSkuId(skuInfoEntity.getSkuId());
            if(skuReductionTo.getFullCount() <=0 || skuReductionTo.getFullPrice().compareTo(new BigDecimal("0")) == 1){
                R r1 = couponFeignService.saveSkuReduction(skuReductionTo);
                if(r1.getCode() != 0){
                    log.error("保存远程SKU优惠信息失败");
                }
            }
        });

    }

}

    @Override
    public void saveBaseSpuInfo(SpuInfoEntity infoEntity) {
        this.baseMapper.insert(infoEntity);
    }

    @Override
    public PageUtils queryPageByCondition(Map<String, Object> params) {

        QueryWrapper<SpuInfoEntity> wrapper = new QueryWrapper<>();
        String key = (String) params.get("key");
        if (!StringUtils.isEmpty(key)) {
            wrapper.and(w -> {
                w.eq("id", key).or().like("spu_name", key);
            });
        }
        String status = (String) params.get("status");
        if (!StringUtils.isEmpty(status)) {
            wrapper.eq("publish_status", status);
        }
        String brandId = (String) params.get("brandId");
        if (!StringUtils.isEmpty(brandId) && !"0".equalsIgnoreCase(brandId)) {
            wrapper.eq("brand_id", brandId);
        }
        String catelogId = (String) params.get("catelogId");
        if (!StringUtils.isEmpty(catelogId) && !"0".equalsIgnoreCase(catelogId)) {
            wrapper.eq("catalog_id", catelogId);
        }


        IPage<SpuInfoEntity> page = this.page(
                new Query<SpuInfoEntity>().getPage(params),
                wrapper
        );

        return new PageUtils(page);
    }

    @Override
    public void up(Long spuId) {

        //  组装需要的数据
        // 1.查出当前的spuId对应的所有sku信息，品牌的名字
        List<SkuInfoEntity> skus = skuInfoService.getSkusBySpuId(spuId);
        List<Long> skuIds = skus.stream().map(SkuInfoEntity::getSkuId).collect(Collectors.toList());


        // TODO 4. 查询当前sku所有可以被用来检索的的规格属性
        List<ProductAttrValueEntity> baseAttrs = attrValueService.baseAttrListforspu(spuId);

        List<Long> attrIds = baseAttrs.stream().map(attr -> {
            return attr.getAttrId();
        }).collect(Collectors.toList());

        List<Long> searchAttrIds = attrService.selectSearchAttrIds(attrIds);

        Set<Long> idSet = new HashSet<>(searchAttrIds);

        List<SkuEsModel.Attrs> attrsList = baseAttrs.stream().filter(item -> {
            return idSet.contains(item.getAttrId());
        }).map(item -> {
            SkuEsModel.Attrs attrs = new SkuEsModel.Attrs();
            BeanUtils.copyProperties(item, attrs);
            return attrs;
        }).collect(Collectors.toList());

        // TODO 1. 发送远程调用，库存系统查询是否有库存
        Map<Long, Boolean>  collet = null;
        try {
            R r = wareFeignService.getSkusHasStock(skuIds);
            TypeReference<List<SkuHasStockVo>> typeReference = new TypeReference<List<SkuHasStockVo>>() {
            };
            collet  = r.getData(typeReference).stream().collect(Collectors.toMap(SkuHasStockVo::getSkuId, item -> item.getHasStock()));
        }catch (Exception e) {
            log.error("库存服务查询异常：原因{}", e);
        }

        // 2. 封装每个sku的信息
        Map<Long, Boolean> finalCollet = collet;
        List<SkuEsModel> upProducts = skus.stream().map(skuInfoEntity -> {
            SkuEsModel skuEsModel = new SkuEsModel();
            BeanUtils.copyProperties(skuInfoEntity, skuEsModel);
            skuEsModel.setSkuPrice(skuInfoEntity.getPrice());
            skuEsModel.setSkuImg(skuInfoEntity.getSkuDefaultImg());
            if (finalCollet == null) {
                skuEsModel.setHasStock(true);
            }else {
                skuEsModel.setHasStock(finalCollet.get(skuInfoEntity.getSkuId()));
            }
            // TODO 2. 热度评分 0
            skuEsModel.setHotScore(0L);
            // TODO 3. 查询品牌和分类的名字信息
            BrandEntity brand = brandService.getById(skuEsModel.getBrandId());
            skuEsModel.setBrandName(brand.getName());
            skuEsModel.setBrandImg(brand.getLogo());

            CategoryEntity category = categoryService.getById(skuEsModel.getCatalogId());
            skuEsModel.setCatalogName(category.getName());

            // 设置检索属性
            skuEsModel.setAttrs(attrsList);
            return skuEsModel;
        }).collect(Collectors.toList());

        // TODO 5. 将数据发给es进行保存
        R r = searchFeignService.productStatusUp(upProducts);
        if (r.getCode() == 0) {
            // 远程调用成功
            // TODO 4、修改当前spu的状态
            this.baseMapper.updateSpuStatus(spuId, ProductConstant.StatusEnum.SPU_UP.getCode());
        }else {
            // 远程调用失败
            // TODO 7. 重复调用? 接口幂等性 重试机制
            // Feign的调用流程
            /**
             * 1. 构造请求数据，将对象转为json
             * 2. 发送请求进行执行
             * 3. 执行请求会有重试机制
             *
             */

        }

    }


}